10123025881 has 2 divisors, whose sum is σ = 10123025882. Its totient is φ = 10123025880.

The previous prime is 10123025849. The next prime is 10123025963. The reversal of 10123025881 is 18852032101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5349459600 + 4773566281 = 73140^2 + 69091^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123025881 - 2⁵ = 10123025849 is a prime.

It is a super-2 number, since 2×10123025881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10123065881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061512940 + 5061512941.

It is an arithmetic number, because the mean of its divisors is an integer number (5061512941).

Almost surely, 2^10123025881 is an apocalyptic number.

It is an amenable number.

10123025881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123025881 is an equidigital number, since it uses as much as digits as its factorization.

10123025881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 31.

Adding to 10123025881 its reverse (18852032101), we get a palindrome (28975057982).

The spelling of 10123025881 in words is "ten billion, one hundred twenty-three million, twenty-five thousand, eight hundred eighty-one".